From 8c24523d9aea8052ea10fbfa3f813000788e53fb 2012-09-12 17:29:45
From: Fernando Perez <Fernando.Perez@berkeley.edu>
Date: 2012-09-12 17:29:45
Subject: [PATCH] Remove _files directory at the end if empty.

---

diff --git a/nbconvert.py b/nbconvert.py
index 45f37f2..02d2218 100755
--- a/nbconvert.py
+++ b/nbconvert.py
@@ -255,6 +255,10 @@ class Converter(object):
         self.files_dir = files_dir
         self.outbase = os.path.join(self.infile_dir, infile_root)
 
+    def __del__(self):
+        if not os.listdir(self.files_dir):
+            os.rmdir(self.files_dir)
+
     def dispatch(self, cell_type):
         """return cell_type dependent render method,  for example render_code
         """